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单片机控制键盘和led，键盘送入的数据在led 上显示，数据满四位后，键入的第5位数据在个位显示，前四位清零。-MCU control the keyboard and led, keyboard into the data led the show, data-4, Type the first five places in the data revealed that four former reset.

单片机日历时钟程序-SCM calendar clock procedures

这个基于PIC单片机的温度检测的程序，程序是用汇编语言编写。-The PIC microcontroller-based temperature testing procedures, the procedures are compiled languages.

整有效。中间四个字节分别代表设备的地址、指令类型、指令参数1(OPT1)和指令参数2(OPT2)。设备在对这四个字节的内容进行译码后执行相应的操作

AVR单片机新版USB下载器的制作全部资料，包括源代码，及原理图（SCH）等。-AVR microcontroller to download a new version of USB devices making all information, including source code, and schematic diagram (SCH) and so on.

温度传感器LM34使用说明手册，英文版。-LM34 temperature sensor using the instruction manual and English.

电机控制，用51开发，可控制电机正反转，转多少度，编码器控制。-motor control, with 51 development, motor control reversion, to the number of degrees, coding control.

RS232通信程序，是PC机与单片机之间的通信-RS232 communication program is the PC machine with single-chip communication between

ARMlpc2300技术笔记上册例程I2C读写FM24cl04-ARMlpc2300 technical notes on the book to read and write I2C routines FM24cl04

U2270B，对U2270B芯片进行了详细介绍。-U2270B, on U2270B chip described in detail.